#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()

{

    int num = 0;

    while ((scanf("%d", &num)) != EOF)

    {

        for (int i = 0; i < num; i++)

        {

            for (int j = 0; j < num; j++)

            {

                if (j == i || (j + i) == num - 1)

                {

                    printf("*");

                }

                else {

                    printf(" ");
                }
            }
            printf("\n");
        }
    }
    return 0;
}